TY  - BOOK
AU  - Jefferson,Brian
TI  - Decision
T2  - A Level mathematics for edexcel
SN  - 9780199117857 (pbk.)
U1  - 510 
PY  - 2009///
CY  - Oxford
PB  - Oxford University Press
KW  - Mathematics
KW  - Examinations
KW  - Study guides
N1  - Endorsed by edexcel
ER  -